Home / 1,176.66-1,764.45-527.38

Finding the Fourth Proportional to 1,176.66, 1,764.45 and 527.38

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Solution

The fourth proportional to 1,176.66, 1,764.45 and 527.38 is: 790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.66 : 1,764.45 = 527.38 : x
  2. Step 2: Convert to fraction form
    1,176.66/1,764.45 = 527.38/x
  3. Step 3: Cross multiply
    1,176.66x = 1,764.45 × 527.38
  4. Step 4: Simplify right side
    1,176.66x = 930,531.23
  5. Step 5: Solve for x
    x = 930,531.23/1,176.66
  6. Step 6: Final answer
    x = 790.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.